/*
 * $Id$
 * ============================================================================
 *                    The Apache Software License, Version 1.1
 * ============================================================================
 * 
 * Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modifica-
 * tion, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * 3. The end-user documentation included with the redistribution, if any, must
 *    include the following acknowledgment: "This product includes software
 *    developed by the Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself, if
 *    and wherever such third-party acknowledgments normally appear.
 * 
 * 4. The names "FOP" and "Apache Software Foundation" must not be used to
 *    endorse or promote products derived from this software without prior
 *    written permission. For written permission, please contact
 *    apache@apache.org.
 * 
 * 5. Products derived from this software may not be called "Apache", nor may
 *    "Apache" appear in their name, without prior written permission of the
 *    Apache Software Foundation.
 * 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
 * DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ============================================================================
 * 
 * This software consists of voluntary contributions made by many individuals
 * on behalf of the Apache Software Foundation and was originally created by
 * James Tauber <jtauber@jtauber.com>. For more information on the Apache
 * Software Foundation, please see <http://www.apache.org/>.
 */
package net.dntuan.training.fop;

//Java
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;

import javax.xml.transform.Result;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.stream.StreamSource;

import org.apache.avalon.framework.ExceptionUtil;
import org.apache.avalon.framework.logger.ConsoleLogger;
import org.apache.avalon.framework.logger.Logger;
import org.apache.fop.apps.Driver;
import org.apache.fop.apps.FOPException;
import org.apache.fop.messaging.MessageHandler;
//JAXP
//Avalon
//FOP

/**
 * This class demonstrates the conversion of an XML file to PDF using JAXP (XSLT) and FOP (XSL:FO).
 */
public class ExampleXML2PDF {

	public void convertXML2PDF(File xml, File xslt, File pdf) throws IOException, FOPException, TransformerException {
		// Construct driver
		Driver driver = new Driver();

		// Setup logger
		Logger logger = new ConsoleLogger(ConsoleLogger.LEVEL_INFO);
		driver.setLogger(logger);
		MessageHandler.setScreenLogger(logger);

		// Setup Renderer (output format)
		driver.setRenderer(Driver.RENDER_PDF);
		// Setup output
		OutputStream out = new java.io.FileOutputStream(pdf);
		try {
			driver.setOutputStream(out);

			// Setup XSLT
			TransformerFactory factory = TransformerFactory.newInstance();
			Transformer transformer = factory.newTransformer(new StreamSource(xslt));

			// Setup input for XSLT transformation
			Source src = new StreamSource(xml);

			// Resulting SAX events (the generated FO) must be piped through to FOP
			Result res = new SAXResult(driver.getContentHandler());

			// Start XSLT transformation and FOP processing
			transformer.transform(src, res);
		} finally {
			out.close();
		}
	}

	public static void main(String[] args) {
		try {
			System.out.println("FOP ExampleXML2PDF\n");
			System.out.println("Preparing...");

			// Setup directories
			File baseDir = new File("src/main/resources/example");

			// Setup input and output files
			File xmlfile = new File(baseDir, "projectteam.xml");
			File xsltfile = new File(baseDir, "projectteam2FO.xsl");
			File pdffile = new File(".", "ResultXML2PDF.pdf");

			System.out.println("Input: XML (" + xmlfile + ")");
			System.out.println("Stylesheet: " + xsltfile);
			System.out.println("Output: PDF (" + pdffile + ")");
			System.out.println();
			System.out.println("Transforming...");

			ExampleXML2PDF app = new ExampleXML2PDF();
			app.convertXML2PDF(xmlfile, xsltfile, pdffile);

			System.out.println("Success!");
		} catch (Exception e) {
			System.err.println(ExceptionUtil.printStackTrace(e));
			System.exit(-1);
		}
	}
}
